Questions tagged [nagios]

Nagios is a monitoring system that enables organizations to identify and resolve IT infrastructure problems before they affect critical business processes.

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Nagios check_procs not reporting processes not spawned by root

I am trying to set up Nagios to monitor the nginx service on my load balancer but have been unsuccessful in getting it to show the service being up. The command and service definition are below. It ...
Jim Miller's user avatar
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Grafana false positive SNMP down

NOTE: I also have Nagios running on another server that reports bandwidth warnings and up/down status. Not a single switch is alerting from this, only Grafana. Grafana version 1.14.1 I was receiving ...
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How to monitor login authentication using http_check nagios plugin

I'm using the http_check Nagios plugin to monitor an URL and I'd like to test if the login is working given specific user and password. I've made several attempts with different approaches but none of ...
Pedro's user avatar
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Shinken probe on windows server but windows server on VPN network (monitoring server outside VPN)

I need to monitore a windows server with skinken, but this server is accessible with a VPN connection (with strong security, done by an electronic tool and human action). The monitoring server is not ...
Philippe's user avatar
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Nagios: NRPE unable to read output

I really hope that someone can provide a solution for me. I have check_memory to check my remote hosts, but no matter what I try, I keep getting "NRPE unable to read output" on the Nagios ...
Franco.g's user avatar
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Nagios alert to a file

Is there any way to store Nagios alert to a file. We have a private network and Nagios is configured there to monitor 100+ servers. Since there is no mail server in this network default nagios alert ...
MOBIN TM's user avatar
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ssh tunnel from nagios to greenbone socket

i got 2 servers running. serverA is a monitoring solution check_mk. serverB is a vulnerability scanner with gvm20.08 (openVAS). On my monitoring side i want to retrieve scans, tasks, targets etc. from ...
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incorrect define of host/hostgroup/service

Good day. Recently, I tried to enable domain expiry check on my nagios core 4.1.1, but it seems like it won't work. I believe, i messed up with declaration of host/hostgroup/service. mine "domain....
Evgeniy Pozdnyakov's user avatar
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monitor CRL expiration dates for multiple nginx servers

Rephrased question: (Not sure it's really clearer) I have a small self written script, that monitors multiple servers. In fact my script just starts periodically tiny smalls scripts and gathers the ...
gelonida's user avatar
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Remote monitoring by Nagios Core

I am working on a project using Nagios to monitor a controller that monitors gas leaks, temperature,... remotely. How can a Nagios Core in one city communicate and receive supervision information ...
Vatoch Mr's user avatar
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Nagios4 prompts for username/password but has limited capabilities after logged in

I followed the instructions from here: https://support.nagios.com/forum/viewtopic.php?f=7&t=56970 And now nagios prompts me to log in. It is correctly parsing the username/password. Unfortunately,...
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Creating memory check via nagios core

How to check memory and incoming/outgoing connections of host. I have created memory usage i am getting error as below. Name of service:Memory Usage Status:UNKNOWN Last Check:03-13-2020 04:05:45 ...
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Two nagios instances in the same machine

After days of surfing on the net and trying by myself, I urgently need your help. So, I have Nagios Core 4.4.3 installed in my centos machine that I use to monitor PROD and TEST environnement of one ...
nonely's user avatar
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Nagios Core4.4.3 snmptrap

I followed the instructions at the link: Snmptrap-config-ling To configure Nagios Core 4.4.3 with snmptrap for a Sonicwall, and a Netapp, it works perfectly but I have a problem / error with: When I ...
valibali public's user avatar
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mk-livestatus No UNIX Socket Existing

I'm currently in the process of setting up NagVis, and one of the prerequisites is that mk-livestatus be up and running on your Nagios server. This is proving difficult. The website for check_mk ...
TechnicallyTrue's user avatar
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MySQL least privileges to get database/tables size

I'm using centreon_plugins to monitor some mysql databases. As a best practice I create a dedicated user for monitoring and I give it the least possible privileges. For simple monitoring I usually ...
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Nagios add "Contact group" name in the email alerts

I've been managing a nagios server which was setup by someone else. I found that there's a lot of contact groups configs and contacts_name. I'm trying to disable some of them since some alerts are ...
user630702's user avatar
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Monitor unix process with Nagios Core

I'm begginer with Nagios and i'm trying to monitor if a specific process on my unix machine is up or not. Server and client are on the same machine : Trying to monitor that machine from a Nagios ...
nonely's user avatar
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Setting up exception for error in nagios

I am not sure if this is possible but I would like to set up exception where Nagios does not report on a few checks. e.g. On one of our server, one of the ram component is broken and its been broken ...
Krishnam's user avatar
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Nagios dependancy of services on host state

please, how can i configure Nagios when a host get down, in order to get only one alert of host down and not receive the host's services alerts (the rest of alerts)?
ramzi's user avatar
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Monitor long ongoing mysql queries

is there any plugin or possibility to check with nagios MySQL query, which is running longer than for example 1hour? So I get alerted and can manage it? I use this code, but I am not sure how to ...
Delirium's user avatar
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Nagios: Dependency from service to different host

We have a server "zibal" that is running several Selenium checks for websites on multiple hosts. At the moment, when one of the servers hosting a website goes down, the failing selenium check will ...
Larsen's user avatar
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How to get ethernet bandwidth statistics with check_snmp?

while running check_snmp_int.pl to get interface names i get the answer # ./check_snmp_int.pl -H 56.22.17.43 -2 -C public -p 44200 -v -n zzz Alarm at 15 + 5 SNMP v2c login Filter : zzz OID : 1.3.6....
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Use serviceescalation to "de-escalate" notifications

Is it OK to use the serviceescalation Nagios facility to reduce frequency of the notifications sent? The idea is to setup a generic service template with frequent notifications by default and provide ...
Alexander Shcheblikin's user avatar
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Check_MK, read-only OMD access for Digital Signage

I have the latest version (1.4.0p34) of Check_MK setup on Ubuntu server 18 with LDAP integration. I would like to have a page displayed on a Digital signage that I have that is a slide show of an ...
Jesse's user avatar
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Why is nagios sending multiple Recovery notifications?

Since I updated Nagios Core to version 4.4.0 it is constantly (every 5 minutes) sending recovery notifications for all hosts (HOST UP). This could even be normal behavior, but the hosts are not ...
João Amaro's user avatar
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Nagio NRPE - Always return 0

I'm trying to execute a bash script in nagios by using nrpe client, but it is always returning "0" value as output. If i'm using this command in the script: _VAR=$(atop -r file.atop | grep '^DSK' |...
Ilie Soltanici's user avatar
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Nagios receives OK passive alerts but still reports "passive check is stale"

I am doing some monitoring on Nagios using passive alerts. I am getting some strange behavior by: passive alerts are being received by Nagios but Nagios insists that the alerts are stale. Here is ...
user35042's user avatar
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integrate nagios core with hp nmmi

I have one nagios core server . One of my partner companies request me to get snmp trap from nagios core to their HP NNMi system for some servers . I would like to ask you about integration between ...
Nyi Nyi Naing's user avatar
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NRPE command skips sudo command when called from remote host

Issue : The tmp file clearing script is able to execute successfully on nagios client machine. When same script called from the nagios master, the script is executed but it skips sudo line in the ...
Syed Abuthaheer's user avatar
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Nagios in Docker - Source IP SNAT for NRPE isue

Nagios Server is running in a docker container. It's reaching out for host checks through NRPE running on various hosts within the network. The docker host is 10.10.100.100 Iptables ONLY allows ...
emmdee's user avatar
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Modify perfdata output of check_snmp_int.pl Nagios XI command

I'm on Nagios XI, i used the Vmware .ova to get the install done I am using the command below to retrieve the actual bandwidth that go through the interfaces of a router /usr/local/nagios/libexec/...
Gorshok's user avatar
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Need Critical alert for Particular Event id is not generated with in 24 hours

I am using CheckEventLog of NSClient++ 0.5.0.62 2016-09-14 how to use syntax for , if particular event id is not generated with in 24 hours i need critical alert , if event id generated i need ...
Gopinath Kadaveru's user avatar
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370 views

Monitor JMX with Nagios for space on name

We are trying to monitor JMX with Nagios XI and using check_jmx Plugin. Its working fine for Heap memory, thread count etc..We re facing issue on while using the following: obj": "java.lang:type=...
Geo's user avatar
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Scheduling downtimes in Nagios - Disable/enable mail notifications (hosts/services)

I have 200 servers.What would be the best way to schedule downtimes? I do not want to do it manually from the Nagios UI. Example: 20 servers among the 200 are brought down on the 1st Monday of the ...
Dilip's user avatar
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2 answers
509 views

Node DOWN with services CRITICAL in Nagios 3.x

I would like to know if it is possible configure Nagios 3.4.3 in this way: when a node is DOWN, its associated services will answer with not available (of course). However, in nagios web, selecting "...
Daniel Ruiz Molina's user avatar
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549 views

nagios server not read proper exit code

hi my script is not showing proper exit code on server side. SERVICENAME=`/etc/init.d/$NAME status| awk '{print $NF}' | sed 's/\.//g' | grep -i running | sed 's/\s//g'|tail -n 1` if [ "${SERVICENAME}...
Harish Jadhav's user avatar
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difference between snmpwalk and check_snmp_int

what is the difference between check_snmp_int and snmpwalk command to get the ifInOctects 1.3.6.1.2.1.2.2.1.10 my check_snmp_int gives wrong values for bandwith monitoring , ifInOctects and ...
xxxx's user avatar
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Nagios php script to read iostat values

I'm working on a php script(nagios plugin) to read r/s,w/s,rMB/s,wMB/s,%util from the iostat command, e.g. #iostat -xm sda avg-cpu: %user %nice %system %iowait %steal %idle 1.05 0....
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Trying to Monitor a Windows Server using Nagios over WAN

I am running Nagios from my LAN on a VM running Ubuntu Server. I am trying to monitor a Windows server located and via the Internet. I set up a public IP in my NAT which forwards to my Nagios server ...
RE_Woods's user avatar
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Host availability report from nagios\icinga log file

Is there a way of analyzing and report-building from icinga\nagios log files? I tried (avail.cgi) host availability reports but it works so slowly. I should wait 3-5 minutes if I want a week report ...
Andrey Maraev's user avatar
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752 views

Set Nagios to alert if a threshold is exceeded over time?

I have a server with a memory value that I want to monitor. If the value is over a certain amount over the course of an hour, I'd like to have an alert sent, but until then I'd like to have it ignore ...
Bart Silverstrim's user avatar
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769 views

Nagios check_by_ssh returns status 3 even though running the command manually works?

Following virtualisation of a datacentre, I'm replacing an elderly internal-use-only Nagios server with a new one on a new VM. For simplicity and because we know it works I've simply replicated the ...
Pyromancer's user avatar
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1k views

How can I find a list of all monitored hosts in Nagios-XI after trial expiration

I setup Nagios-XI in a VM just to monitor a few mission-critical servers (so less than the limit of 7 hosts...or so I thought). However, apparently one of my coworkers added an 8th host at some point ...
SamAndrew81's user avatar
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2 answers
384 views

bidirectional Bandwidth measurement snmp with remote office

Hello I have a dedicated system for monitoring connected to the network in all remote offices. Our main/nagios server have connection to all. I want to get the bidirectional Bandwidth measurement ...
Sanctriell's user avatar
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622 views

Nagios plugin execution fails with Icinga 1.13 on CentOS 7.3.1611

Software Versions: icinga-1.13.0-0.el7.centos.x86_64 nagios-plugins-all-2.0.3-3.el7.x86_64 CentOS 7.3.1611 [1484095979] error executing command '/check_ping': No such file or directory. Make sure ...
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Nagios doesn't execute external commands even though they are shown in the logs

I want to use SNMP traps and to do so I need the external nagios commands to be executed. I already checked the config: check_external_commands=1 command_check_interval=-1 The command file is ...
cs sel's user avatar
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1 answer
651 views

Debian nagios3 web interface don't display all services

Using debian packaged 3.5.1 nagios version, web interface page "Current Status" -> "Services" don't display all services: It only display one host. And sometimes, only two services for this host. If i ...
bux's user avatar
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363 views

nagios -- different options for different contacts?

I have two sets of on-call people -- sysadmins and operators. I have nagios monitoring an SSH service. If the service goes down or comes back up, I want to notify the operators; they don't need ...
hymie's user avatar
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Monitor Group Policy eventlog

I want to monitor GPOs and check if the GPOs are applied on all stations of my Domain, by checking the presence of an ID with the name of GPO, and check if an error occured. I want to monitor ...
user382377's user avatar